Feedback linearization of an active magnetic bearing system operated with a zero

Feedback linearization of an active magnetic bearing system operated with a zero–bias flux

Published:2017-09-01 Issue:3 Volume:27 Page:539-548
ISSN:2083-8492
Container-title:International Journal of Applied Mathematics and Computer Science
language:en
Short-container-title:

Author:

Mystkowski Arkadiusz¹,Kaparin Vadim²,Kotta Ülle²,Pawluszewicz Ewa¹,Tõnso Maris²

Affiliation:

1. Department of Automatic Control and Robotics , Bialystok University of Technology , ul. Wiejska 45A, 15-351 Bialystok , Poland

2. Department of Software Science , Tallinn University of Technology , Akadeemia tee 21, 12618 Tallinn , Estonia

Abstract

Abstract Input-output linearization by state feedback is applied to a flux-controlled active magnetic bearing (AMB) system, operated in the zero-bias mode. Two models of the AMB system are employed. The first one is described by the third-order dynamics with a flux-dependent voltage switching scheme, whereas the second one is the fourth-order system, called self-sensing AMB, since it does not require the measurement of the rotor position. In the case of that system we had to find the flat outputs to guarantee its stability. The proposed control schemes are verified by means of numerical simulations performed within the Matlab environment.

Publisher

Walter de Gruyter GmbH

Subject

Applied Mathematics,Engineering (miscellaneous),Computer Science (miscellaneous)

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